R Microscopii Explained

R Microscopii is a star in the constellation Microscopium. It is a red giant star of spectral type M4e that is also a Mira variable, with an apparent magnitude ranging between 8.3 and 13.8 over 138 days.[1] Located around 1000 light-years distant, it shines with a luminosity 444 times that of the Sun and has a surface temperature of 3141 K.[2] The Astronomical Society of Southern Africa in 2003 reported that observations of R Microscopii were urgently needed as data on its light curve was incomplete.[3]

Notes and References

  1. Web site: R Microscopii . Watson, Christopher. 4 January 2010 . AAVSO Website. American Association of Variable Star Observers. 20 March 2015.
  2. McDonald, I.. Zijlstra, A. A.. Boyer, M. L.. 2012. Fundamental Parameters and Infrared Excesses of Hipparcos Stars. Monthly Notices of the Royal Astronomical Society. 427. 1. 343–57. 2012MNRAS.427..343M. 1208.2037 . 10.1111/j.1365-2966.2012.21873.x . 118665352.
  3. Cooper. Tim. 2003. Presidential address: Amateur Observations - Successes and Opportunities. Monthly Notes of the Astronomical Society of Southern Africa. 62. 234–40. 2003MNSSA..62..234C.

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